Home / 18,889.32-26,067.30-10,506.12

Finding the Fourth Proportional to 18,889.32, 26,067.30 and 10,506.12

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Solution

The fourth proportional to 18,889.32, 26,067.30 and 10,506.12 is: 14,498.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,889.32 : 26,067.30 = 10,506.12 : x
  2. Step 2: Convert to fraction form
    18,889.32/26,067.30 = 10,506.12/x
  3. Step 3: Cross multiply
    18,889.32x = 26,067.30 × 10,506.12
  4. Step 4: Simplify right side
    18,889.32x = 273,866,181.88
  5. Step 5: Solve for x
    x = 273,866,181.88/18,889.32
  6. Step 6: Final answer
    x = 14,498.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.